using UnityEngine;
using System.Collections;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Security.Cryptography;//加密部分
using System.IO; 
public class DESJiaMi : MonoBehaviour {

	private bool interactionInited=false;
	public static DESJiaMi initDES;

	private  byte[] Keys = { 0xA2, 0x3E, 0xAB, 0x78, 0x9C, 0x5B, 0x1D, 0x8F };
	private  string keyUse = "f?k9K6q]";
	/// <summary>
	/// DES加密字符串
	/// </summary>
	/// <param name="encryptString">待加密的字符串
	/// <param name="encryptKey">加密密钥,要求为8位
	/// <returns>加密成功返回加密后的字符串，失败返回源串</returns>
	public  string EncryptDES(string encryptString, string encryptKey)
	{
		try
		{
			byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
			byte[] rgbIV = Keys;
//			byte[] rgbIV=Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
			byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
			DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
			MemoryStream mStream = new MemoryStream();
			CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
			cStream.Write(inputByteArray, 0, inputByteArray.Length);
			cStream.FlushFinalBlock();
			return Convert.ToBase64String(mStream.ToArray());
		}
		catch
		{
			return encryptString;
		}
	} 

	/// <summary>
	/// DES解密字符串
	/// </summary>
	/// <param name="decryptString">待解密的字符串
	/// <param name="decryptKey">解密密钥,要求为8位,和加密密钥相同
	/// <returns>解密成功返回解密后的字符串，失败返源串</returns>
	public  string DecryptDES(string decryptString, string decryptKey)
	{
		try
		{
			byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey);
			byte[] rgbIV = Keys;
//			byte[] rgbIV=Encoding.UTF8.GetBytes(decryptKey);
			byte[] inputByteArray = Convert.FromBase64String(decryptString);
			DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider();
			MemoryStream mStream = new MemoryStream();
			CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
			cStream.Write(inputByteArray, 0, inputByteArray.Length);
			cStream.FlushFinalBlock();
			return Encoding.UTF8.GetString(mStream.ToArray());
		}
		catch
		{
			Debug.Log("DES error");
			return decryptString;
		}
	} 
	void Start()
	{
		//string str, str2;
//		str2 = EncryptDES ("fjd.91zmt.com", keyUse);
//		Debug.Log ("加密后：" + str2);
//
//		str = DecryptDES (str2,keyUse);
//		Debug.Log("DES解码="+str);
		//str = DecryptDES ("b2PyVFFNVZ8w6bgxpfCJAA5YCCiImFQq", keyUse);
		//Debug.Log("Kgz7sqb9QaaAXbmhA== 加密后："+str);
		interactionInited = true;
		initDES = this;

	}
	void OnApplicationQuit()
	{
		// uninitialize Kinect interaction
		if(interactionInited)
		{
			interactionInited = false;
			initDES = null;
		}
	}

}
